WTA Finals—Singapore
Sloane Stephens Defeats (1) Angelique Kerber 63 63
(8) Kiki Bertens d (3) Naomi Osaka 63 ret.
Swiss Indoors Basel—Basel, Switzerland
Quarterfinal results:
(2) Alexander Zverev Defeats (8) Roberto Bautista Agut 75 63
Marius Copil Defeats Taylor Fritz 76(6) 75
*****
Erste Bank Open 500—Vienna, Austria
Quarterfinal results:
Fernando Verdasco Defeats Gael Monfils 64 21 (RET)
(5) Kei Nishikori Defeats (1) Dominic Thiem 63 61
(2) Kevin Anderson Defeats (6) Borna Coric 76(2) 12 (RET)
Mikhail Kukushkin Defeats Marton Fucsovics 46 76(2) 76(4)
